Instead of using complicated if #available and @available workarounds on everything, add a single guard #available to the top of your playground. Thanks to Jack Lawrence.

@ericasadun you can use guard #available at the top of the playground to make the workaround a bit less ugly.

— Jack Lawrence (@_jackhl) June 21, 2015

@ericasadun it's SourceKit Service's pleasure to open for you, and it's satisfaction to crash again with the knowledge of a job well done.”

— Zak Remer (@Kazmasaurus) June 22, 2015